Contracted pelvic outlet Defination diminution of the interischial tuberous diameter to &cm or less 2 triangles baseof both interischial tuberous diameter anterior triangle posterior triangle
Contracted pelvic outlet Defination: diminition of the interischial tuberous diameter to 8cm or less. 2 triangles: – baseof both: interischial tuberous diameter – anterior triangle – posterior triangle
picture 1 CHAPTER 19 DYSTOCIA DUE TO PELVIC CONTRACTION 465> Ant sagittal 7.7 cm 55cm系 FIPost. sagittal outlet of case shown in Figure 19-4. Eye is quite narrow (5.5 cm), vaginal delivery is possible because of the long(10 cm)posterior sagittal diameter. (int tth diam. intertuberous diameter, Sym. s symphysis pubis: S-5= fifth sacri
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Outlet contraction without concomitant midplane contraction is rare Funnel shaped pelvis transversely contracted pelvis
Outlet contraction without concomitant midplane contraction is rare Funnel shaped pelvis transversely contracted pelvis